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102400220023 = 1531169939367
BaseRepresentation
bin101111101011110000…
…1110101101101110111
3100210022110002011010121
41133113201311231313
53134203424020043
6115013024032411
710253400336343
oct1372741655567
9323273064117
10102400220023
113a478288a12
1217a19762707
13986bb7458a
144d55b3a623
1529e4d05ded
hex17d7875b77

102400220023 has 8 divisors (see below), whose sum is σ = 102530019200. Its totient is φ = 102270506040.

The previous prime is 102400220009. The next prime is 102400220071. The reversal of 102400220023 is 320022004201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102400220023 - 213 = 102400211831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102400219979 and 102400220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102400220423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2581486 + ... + 2620852.

It is an arithmetic number, because the mean of its divisors is an integer number (12816252400).

Almost surely, 2102400220023 is an apocalyptic number.

102400220023 is a deficient number, since it is larger than the sum of its proper divisors (129799177).

102400220023 is a wasteful number, since it uses less digits than its factorization.

102400220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42597.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 102400220023 its reverse (320022004201), we get a palindrome (422422224224).

The spelling of 102400220023 in words is "one hundred two billion, four hundred million, two hundred twenty thousand, twenty-three".

Divisors: 1 1531 1699 39367 2601169 60270877 66884533 102400220023